William Woods Averell was a career United States Army officer and a cavalry general in the American Civil War. He was the only Union general to achieve a major victory against the Confederates in the Valley Campaigns of 1864 prior to the arrival of Philip Sheridan, at the Battle of Rutherford's (Carter's) Farm and at the Battle of Moorefield.
James Harrison Wilson was a United States Army topographic engineer and a Union Army Major General in the American Civil War. He served as an aide to Maj. Gen. George B. McClellan during the Maryland Campaign before joining Maj. Gen. Ulysses S. Grant's army in the Western Theater, where he was promoted to brigadier general. In 1864, he transferred from engineering to the cavalry, where he displayed notable leadership in many engagements of the Overland Campaign, though his attempt to destroy Lee’s supply lines failed when he was routed by a much smaller force of Confederate irregulars.
Adna Romanza Chaffee was a lieutenant general in the United States Army. Chaffee took part in the American Civil War and Indian Wars, played a key role in the Spanish–American War, and fought in the Boxer Rebellion in China. He was the Chief of Staff of the United States Army from 1904 to 1906, overseeing far-reaching transformation of organization and doctrine in the army.
Wesley Merritt was an American major general who served in the cavalry of the United States Army during the American Civil War, American Indian Wars, and Spanish–American War. Following the latter war, he became the first American Military Governor of the Philippines.
Hugh Judson Kilpatrick was an officer in the Union Army during the American Civil War, achieving the rank of brevet major general. He was later the United States Minister to Chile and an unsuccessful candidate for the U.S. House of Representatives.
Samuel Cooper was a career United States Army staff officer, serving during the Second Seminole War and the Mexican–American War. Although little-known today, Cooper was technically the highest-ranking general officer in the Confederate States Army throughout the American Civil War, even outranking Robert E. Lee. After the conflict, Cooper remained in Virginia as a farmer.
Joseph Rodman West, also known as J. Rodman West, was a United States senator from Louisiana, a Union general in the United States Army during and after the American Civil War and the chief executive of the District of Columbia. As a commander of militia, he gave the order to torture and murder Apache chief Mangas Coloradas, who had come to meet with him under a flag of truce to discuss terms of peace.
Eugene Asa Niel Carr was a soldier in the United States Army and a general in the Union Army during the American Civil War. He was awarded the Medal of Honor for his actions at the Battle of Pea Ridge.
Thomas Duncan was a career officer in the U.S. Army, serving as a lieutenant colonel during the American Civil War. In 1867, he was nominated and confirmed for appointment as a brevet brigadier general in the regular army, to rank from March 13, 1865, for his service in the Civil War.
Abraham Kerns Arnold was a U.S. Cavalry officer during the American Civil War and, while a captain in the 5th U.S. Cavalry, received the Medal of Honor for leading "a gallant charge against a superior force of the enemy, extricated his command from a perilous position in which it had been ordered" against Confederate forces at Davenport Bridge, Virginia, on May 10, 1864.
James Sanks Brisbin was an American educator, lawyer, historian, author and soldier. He served as a Union Army general during the American Civil War. After the conflict he remained in the military for the rest of his life, and authored several works on a variety of subjects.
Charles Henry Tompkins was an American officer who served as a Union Army colonel, who received an appointment to the brevet grade of Brigadier General of volunteers during the American Civil War. He was a recipient of the Medal of Honor for valor in action on June 1, 1861, in the Battle of Fairfax Court House. This was the first action in the Civil War for which a Union Army officer would receive the Medal of Honor, although it was not awarded until 1893. He is not to be confused with another Union officer, Brevet Brigadier General Charles H. Tompkins who commanded the 1st Rhode Island Light Artillery Regiment.
Louis Henry Carpenter was a United States Army brigadier general and a recipient of the Medal of Honor for his actions in the American Indian Wars.
Samuel Henry Starr was a career United States Army officer, regimental commander and prisoner of war. A collection of his letters provide a rare view of military life, the War with Mexico, Indian conflicts, the Civil War, his fall from grace, recovery and post Civil War service. Despite his rough demeanor he was a religious man and reflective of the times he served.
Nicholas Merritt Nolan was a United States Army major. An Irish immigrant, he began his military career in New York on December 9, 1852, with the 4th Artillery, and subsequently served in New York's 2nd Dragoons. He enlisted as a private and rose through the ranks becoming a first sergeant. He was commissioned an officer in late 1862 in the Regular Army, while serving with the 6th U.S. Cavalry Regiment during the American Civil War. He participated in 16 campaigns with the 6th and most of its battles. He was slightly wounded at the Battle of Fairfield and seriously wounded at the Battle of Dinwiddie Court House. He was brevetted twice and noted at least twice for gallantry during combat. He was slightly wounded when captured at the end of March 1865, and was later paroled. After the Civil War, he served with the 10th U.S. Cavalry, known as the Buffalo Soldiers, for 14 years. Nolan is also noted for his pluses and minuses during the Buffalo Soldier tragedy of 1877 that made headlines in the Eastern United States. He was the commanding officer of Henry O. Flipper in 1878, the first African American to graduate from the United States Military Academy at West Point. He commanded several frontier forts before his untimely death in 1883.
James Adams Ekin was an American officer who served in the Union Army in the American Civil War. He achieved fame as a member of the military commission trying the conspirators involved with the assassination of President Abraham Lincoln.
Ira Wallace Claflin was a United States Army West Point regular officer who took command of the 6th US Cavalry during the critical days of July 1863 during the Gettysburg Campaign. He was an instructor of Union cavalry tactics for West Virginia and later taught at West Point.
George Alexander Hamilton Blake was a cavalry officer in the United States Army during the American Indian Wars, the Mexican–American War and the American Civil War.
William Stretch Abert was an American officer in the Union Army during the American Civil War.
William Warren Lowe led a volunteer regiment of cavalry from Iowa in the Union Army during the American Civil War. He graduated from the United States Military Academy in 1853. He served as a cavalry officer on the frontier in Texas in 1855–1861. When the Civil War broke out, Lowe fought at First Bull Run. He organized the 5th Iowa Cavalry Regiment and led it at Corinth, at Riggins Hill, the Tullahoma campaign, in Wheeler's October 1863 Raid, the Atlanta campaign, and the Franklin–Nashville Campaign. On several occasions he temporarily led a cavalry brigade and was brevetted brigadier general for war service. He resigned from the army in 1869 and took up civilian pursuits.
United States 
United States Army 